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Issue 66, 2017
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Aligned cobalt-based Co@CoOx nanostructures for efficient electrocatalytic water oxidation

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Abstract

Aligned cobalt metal nanoparticles were prepared from the pyrolysis of cobalt oxalate nanoplate precursors for efficient electrocatalytic water oxidation. The 2D morphology of the precursor guided the 2D alignment of the derived cobalt metal nanoparticles. The as-prepared Co@CoOx electrocatalyst requires an ultra-low overpotential of 289 mV to achieve a current density of 10 mA cm−2 on a simple glassy carbon (GC) electrode in a 1 M KOH aqueous solution. The metallic nature of the bulk of the electrocatalyst and the compact alignment of the nanoparticles can facilitate the inner- and inter-particulate charge transfers.

Graphical abstract: Aligned cobalt-based Co@CoOx nanostructures for efficient electrocatalytic water oxidation

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Publication details

The article was received on 14 Jun 2017, accepted on 27 Jul 2017 and first published on 27 Jul 2017


Article type: Communication
DOI: 10.1039/C7CC04609J
Citation: Chem. Commun., 2017,53, 9277-9280
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    Aligned cobalt-based Co@CoOx nanostructures for efficient electrocatalytic water oxidation

    J. Qi, W. Zhang and R. Cao, Chem. Commun., 2017, 53, 9277
    DOI: 10.1039/C7CC04609J

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